NUnit – a Unit Testing Framework for .NET
Testing ASP.NET Applications with NUnitASP and NUnit
http://www.theserverside.net/tt/articles/showarticle.tss?id=TestingASP
ASP.NET MVC Framework – Part 2: Testing
http://dotnetslackers.com/articles/aspnet/ASPNETMVCFrameworkPart2.aspx
ASP.NET MVC Preview 3 Tooling Updates And Updated NUnit Test Project Templates
http://blogs.msdn.com/webdevtools/archive/2008/05/30/asp-net-mvc-preview-3-tooling-updates.aspx
ASP.NET MVC Test Framework Integration Walkthrough
http://blogs.msdn.com/webdevtools/archive/2008/03/06/asp-net-mvc-test-framework-integration-demo.aspx
ASP.NET MVC Test Framework Integration
http://vishaljoshi.blogspot.com/2008/02/aspnet-mvc-test-framework-integration.html